the rebels are anxious to show us the huge crater. there were no casualties, but their close call has them worked up. "we want a war face to face" this man screams. but this is not a war being fought face to face, and that's a problem for the rebels. government forces have heavy weapons to bomb them from a distance and today that advantage was enough to move the front line one town further east. mandy clark, cbs news, ras lanuf >> couric: in tripoli, mark phillips spoke today with qaddafi's son saif, he vow it had government will soon retake all of livia. >> do you think you've broken the back of this rebellion? have you broken the back of this resistance? >> 100%. in fact, we are fighting less than one thousand, 800 people. >> reporter: that's the strength you estimate? >> this is the whole strength and power of the militia. >> reporter: you say there's no scope to talk anymore? you're just going to... >> enough. enough is enough. enough is enough. for me personally, i have no mercy towards them. >> reporter: you're just going to squ